﻿STRUOTUEE 
  AND 
  CLASSIFICATION 
  OF 
  THE 
  AEACHNIDA. 
  253 
  

  

  sixth 
  pair 
  bearing 
  five 
  pairs 
  of 
  tactile 
  sensory 
  organs 
  or 
  

   malleoli. 
  The 
  prasgenital 
  somite 
  is 
  suppressed. 
  Opisthosoma 
  

   composed 
  of 
  ten 
  somites. 
  Respiratory 
  organs 
  tracheal^ 
  open- 
  

  

  FiG. 
  67. 
  Fig. 
  68. 
  

  

  Fig. 
  67. 
  — 
  Galeodes, 
  sp., 
  one 
  of 
  the 
  Solifugfe. 
  Ventral 
  view 
  

   with 
  the 
  appendages 
  cut 
  off 
  at 
  the 
  base. 
  I 
  to 
  VI, 
  piosomatic 
  

   appendages; 
  s, 
  prosomatic 
  stigma 
  or 
  aperture 
  of 
  the 
  tracheal 
  

   system 
  ; 
  1, 
  first 
  opisthosomatic 
  sternite 
  covering 
  the 
  genital 
  

   aperture^; 
  2, 
  second 
  opisthosomatic 
  sternite 
  covering 
  the 
  second 
  

   pair 
  of 
  tracheal 
  apertures 
  */;! 
  ; 
  s/>2, 
  the 
  third 
  ))air 
  of 
  tracheal 
  

   apertures; 
  10, 
  the 
  tenth 
  opisthosomatic 
  somite; 
  an, 
  the 
  anal 
  

   aperture. 
  (Original 
  by 
  Pickard-Cambridge 
  and 
  Pocock.) 
  

  

  Fig, 
  68. 
  — 
  Galeodes, 
  sp., 
  one 
  of 
  the 
  Solifugse. 
  Dorsal 
  view. 
  1 
  

   to 
  VI, 
  bases 
  of 
  the 
  prosomatic 
  appendages 
  ; 
  o, 
  eyes 
  ; 
  a, 
  lateral 
  

   region 
  of 
  the 
  cepiialic 
  plate 
  to 
  which 
  the 
  first 
  pair 
  of 
  appendages 
  are 
  

   articulated 
  ; 
  b, 
  cephalic 
  plate 
  with 
  median 
  eye 
  ; 
  c, 
  dorsal 
  element 
  of 
  

   somites 
  bearing 
  third 
  and 
  fourtli 
  pairs 
  of 
  appendages; 
  d, 
  second 
  

   plate 
  of 
  the 
  prosoma 
  with 
  fifth 
  pair 
  of 
  appendages 
  ; 
  e, 
  third 
  or 
  

   hindermost 
  plate 
  of 
  the 
  prosoma 
  beneath 
  which 
  the 
  sixth 
  pair 
  of 
  legs 
  

   is 
  articulated; 
  1, 
  2, 
  9, 
  10, 
  first, 
  second, 
  ninth, 
  and 
  tenth 
  somites 
  of 
  

   the 
  opisthosoma 
  ; 
  an, 
  anus. 
  (Original.) 
  

  

  ing 
  upon 
  the 
  ventral 
  surface 
  of 
  the 
  second 
  and 
  third, 
  and 
  

   sometimes 
  also 
  of 
  the 
  fourth 
  somite 
  of 
  the 
  opisthosoma. 
  A 
  

  

  